陈思海
32c0fc13fd
1.重构UXButton 2.主Transition有UXSeletable负责 ，同时兼具导航 3.新增UXSlider 支持平滑过渡 适配手柄 4.优化部分逻辑bug
604 lines
20 KiB
C#
604 lines
20 KiB
C#
using AlicizaX.UI.Extension;
|
||
using UnityEngine.EventSystems;
|
||
using Direction = UnityEngine.UI.Slider.Direction;
|
||
|
||
namespace UnityEngine.UI
|
||
{
|
||
[ExecuteAlways]
|
||
[RequireComponent(typeof(RectTransform))]
|
||
public class UXSlider : UXSelectable, IDragHandler, IInitializePotentialDragHandler, ICanvasElement
|
||
{
|
||
[SerializeField] private RectTransform m_FillRect;
|
||
|
||
public RectTransform fillRect
|
||
{
|
||
get { return m_FillRect; }
|
||
set
|
||
{
|
||
if (SetPropertyUtility.SetClass(ref m_FillRect, value))
|
||
{
|
||
UpdateCachedReferences();
|
||
UpdateVisuals();
|
||
}
|
||
}
|
||
}
|
||
|
||
[SerializeField] private RectTransform m_HandleRect;
|
||
|
||
public RectTransform handleRect
|
||
{
|
||
get { return m_HandleRect; }
|
||
set
|
||
{
|
||
if (SetPropertyUtility.SetClass(ref m_HandleRect, value))
|
||
{
|
||
UpdateCachedReferences();
|
||
UpdateVisuals();
|
||
}
|
||
}
|
||
}
|
||
|
||
[Space] [SerializeField] private Slider.Direction m_Direction = Slider.Direction.LeftToRight;
|
||
|
||
public Slider.Direction direction
|
||
{
|
||
get { return m_Direction; }
|
||
set
|
||
{
|
||
if (SetPropertyUtility.SetStruct(ref m_Direction, value)) UpdateVisuals();
|
||
}
|
||
}
|
||
|
||
[SerializeField] private float m_MinValue = 0;
|
||
|
||
public float minValue
|
||
{
|
||
get { return m_MinValue; }
|
||
set
|
||
{
|
||
if (SetPropertyUtility.SetStruct(ref m_MinValue, value))
|
||
{
|
||
Set(m_Value);
|
||
UpdateVisuals();
|
||
}
|
||
}
|
||
}
|
||
|
||
[SerializeField] private float m_MaxValue = 1;
|
||
|
||
public float maxValue
|
||
{
|
||
get { return m_MaxValue; }
|
||
set
|
||
{
|
||
if (SetPropertyUtility.SetStruct(ref m_MaxValue, value))
|
||
{
|
||
Set(m_Value);
|
||
UpdateVisuals();
|
||
}
|
||
}
|
||
}
|
||
|
||
[SerializeField] private bool m_WholeNumbers = false;
|
||
|
||
public bool wholeNumbers
|
||
{
|
||
get { return m_WholeNumbers; }
|
||
set
|
||
{
|
||
if (SetPropertyUtility.SetStruct(ref m_WholeNumbers, value))
|
||
{
|
||
Set(m_Value);
|
||
UpdateVisuals();
|
||
}
|
||
}
|
||
}
|
||
|
||
[Space] [SerializeField] protected float m_Value;
|
||
|
||
public virtual float value
|
||
{
|
||
get { return wholeNumbers ? Mathf.Round(m_Value) : m_Value; }
|
||
set { Set(value); }
|
||
}
|
||
|
||
public virtual void SetValueWithoutNotify(float input)
|
||
{
|
||
Set(input, false);
|
||
}
|
||
|
||
public float normalizedValue
|
||
{
|
||
get
|
||
{
|
||
if (Mathf.Approximately(minValue, maxValue))
|
||
return 0;
|
||
return Mathf.InverseLerp(minValue, maxValue, value);
|
||
}
|
||
set { this.value = Mathf.Lerp(minValue, maxValue, value); }
|
||
}
|
||
|
||
[Space] [SerializeField] private Slider.SliderEvent m_OnValueChanged = new Slider.SliderEvent();
|
||
|
||
public Slider.SliderEvent onValueChanged
|
||
{
|
||
get { return m_OnValueChanged; }
|
||
set { m_OnValueChanged = value; }
|
||
}
|
||
|
||
// --- SMOOTHING FIELDS ---
|
||
[Space]
|
||
[SerializeField] private bool m_SmoothMovement = false;
|
||
[SerializeField] private float m_SmoothSpeed = 8f; // value-per-second, larger=faster
|
||
|
||
public bool smoothMovement
|
||
{
|
||
get { return m_SmoothMovement; }
|
||
set { m_SmoothMovement = value; }
|
||
}
|
||
|
||
/// <summary>
|
||
/// 平滑移动目标值（只有当 smoothMovement && !wholeNumbers 时生效）
|
||
/// </summary>
|
||
protected float m_TargetValue;
|
||
protected bool m_IsSmoothMoving = false;
|
||
// ------------------------
|
||
|
||
private Image m_FillImage;
|
||
private Transform m_FillTransform;
|
||
private RectTransform m_FillContainerRect;
|
||
private Transform m_HandleTransform;
|
||
private RectTransform m_HandleContainerRect;
|
||
|
||
private Vector2 m_Offset = Vector2.zero;
|
||
|
||
#pragma warning disable 649
|
||
private DrivenRectTransformTracker m_Tracker;
|
||
#pragma warning restore 649
|
||
|
||
private bool m_DelayedUpdateVisuals = false;
|
||
|
||
float stepSize
|
||
{
|
||
get { return wholeNumbers ? 1 : (maxValue - minValue) * 0.1f; }
|
||
}
|
||
|
||
protected UXSlider()
|
||
{
|
||
}
|
||
#if UNITY_EDITOR
|
||
protected override void OnValidate()
|
||
{
|
||
base.OnValidate();
|
||
if (wholeNumbers)
|
||
{
|
||
m_MinValue = Mathf.Round(m_MinValue);
|
||
m_MaxValue = Mathf.Round(m_MaxValue);
|
||
}
|
||
|
||
//Onvalidate is called before OnEnabled. We need to make sure not to touch any other objects before OnEnable is run.
|
||
if (IsActive())
|
||
{
|
||
UpdateCachedReferences();
|
||
// Update rects in next update since other things might affect them even if value didn't change.
|
||
m_DelayedUpdateVisuals = true;
|
||
}
|
||
|
||
if (!UnityEditor.PrefabUtility.IsPartOfPrefabAsset(this) && !Application.isPlaying)
|
||
CanvasUpdateRegistry.RegisterCanvasElementForLayoutRebuild(this);
|
||
}
|
||
#endif
|
||
|
||
protected override void OnEnable()
|
||
{
|
||
base.OnEnable();
|
||
UpdateCachedReferences();
|
||
Set(m_Value, false);
|
||
// Update rects since they need to be initialized correctly.
|
||
UpdateVisuals();
|
||
// 初始化 target
|
||
m_TargetValue = m_Value;
|
||
m_IsSmoothMoving = false;
|
||
}
|
||
|
||
protected override void OnDisable()
|
||
{
|
||
m_Tracker.Clear();
|
||
base.OnDisable();
|
||
}
|
||
|
||
protected virtual void Update()
|
||
{
|
||
if (m_DelayedUpdateVisuals)
|
||
{
|
||
m_DelayedUpdateVisuals = false;
|
||
Set(m_Value, false);
|
||
UpdateVisuals();
|
||
}
|
||
|
||
// 处理平滑移动（仅当开启时）
|
||
if (m_IsSmoothMoving)
|
||
{
|
||
// 如果 wholeNumbers 为 true，则取消平滑，直接设置最终值（避免小数）
|
||
if (wholeNumbers)
|
||
{
|
||
m_IsSmoothMoving = false;
|
||
Set(m_TargetValue);
|
||
}
|
||
else
|
||
{
|
||
float maxDelta = m_SmoothSpeed * Time.unscaledDeltaTime;
|
||
float newValue = Mathf.MoveTowards(m_Value, m_TargetValue, maxDelta);
|
||
// 使用 Set 来保持更新视觉并触发回调（会在数值改变时触发）
|
||
Set(newValue);
|
||
if (Mathf.Approximately(newValue, m_TargetValue))
|
||
{
|
||
m_IsSmoothMoving = false;
|
||
// 确保最终值精确到目标（避免浮点残留）
|
||
Set(m_TargetValue);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
protected override void OnDidApplyAnimationProperties()
|
||
{
|
||
m_Value = ClampValue(m_Value);
|
||
float oldNormalizedValue = normalizedValue;
|
||
if (m_FillContainerRect != null)
|
||
{
|
||
if (m_FillImage != null && m_FillImage.type == Image.Type.Filled)
|
||
oldNormalizedValue = m_FillImage.fillAmount;
|
||
else
|
||
oldNormalizedValue = (reverseValue ? 1 - m_FillRect.anchorMin[(int)axis] : m_FillRect.anchorMax[(int)axis]);
|
||
}
|
||
else if (m_HandleContainerRect != null)
|
||
oldNormalizedValue = (reverseValue ? 1 - m_HandleRect.anchorMin[(int)axis] : m_HandleRect.anchorMin[(int)axis]);
|
||
|
||
UpdateVisuals();
|
||
|
||
if (oldNormalizedValue != normalizedValue)
|
||
{
|
||
UISystemProfilerApi.AddMarker("Slider.value", this);
|
||
onValueChanged.Invoke(m_Value);
|
||
}
|
||
|
||
// UUM-34170 Apparently, some properties on slider such as IsInteractable and Normalcolor Animation is broken.
|
||
// We need to call base here to render the animation on Scene
|
||
base.OnDidApplyAnimationProperties();
|
||
}
|
||
|
||
void UpdateCachedReferences()
|
||
{
|
||
if (m_FillRect && m_FillRect != (RectTransform)transform)
|
||
{
|
||
m_FillTransform = m_FillRect.transform;
|
||
m_FillImage = m_FillRect.GetComponent<Image>();
|
||
if (m_FillTransform.parent != null)
|
||
m_FillContainerRect = m_FillTransform.parent.GetComponent<RectTransform>();
|
||
}
|
||
else
|
||
{
|
||
m_FillRect = null;
|
||
m_FillContainerRect = null;
|
||
m_FillImage = null;
|
||
}
|
||
|
||
if (m_HandleRect && m_HandleRect != (RectTransform)transform)
|
||
{
|
||
m_HandleTransform = m_HandleRect.transform;
|
||
if (m_HandleTransform.parent != null)
|
||
m_HandleContainerRect = m_HandleTransform.parent.GetComponent<RectTransform>();
|
||
}
|
||
else
|
||
{
|
||
m_HandleRect = null;
|
||
m_HandleContainerRect = null;
|
||
}
|
||
}
|
||
|
||
float ClampValue(float input)
|
||
{
|
||
float newValue = Mathf.Clamp(input, minValue, maxValue);
|
||
if (wholeNumbers)
|
||
newValue = Mathf.Round(newValue);
|
||
return newValue;
|
||
}
|
||
|
||
protected virtual void Set(float input, bool sendCallback = true)
|
||
{
|
||
// Clamp the input
|
||
float newValue = ClampValue(input);
|
||
|
||
// If the stepped value doesn't match the last one, it's time to update
|
||
if (m_Value == newValue)
|
||
return;
|
||
|
||
m_Value = newValue;
|
||
UpdateVisuals();
|
||
if (sendCallback)
|
||
{
|
||
UISystemProfilerApi.AddMarker("Slider.value", this);
|
||
m_OnValueChanged.Invoke(newValue);
|
||
}
|
||
}
|
||
|
||
protected override void OnRectTransformDimensionsChange()
|
||
{
|
||
base.OnRectTransformDimensionsChange();
|
||
if (!IsActive())
|
||
return;
|
||
|
||
UpdateVisuals();
|
||
}
|
||
|
||
enum Axis
|
||
{
|
||
Horizontal = 0,
|
||
Vertical = 1
|
||
}
|
||
|
||
Axis axis
|
||
{
|
||
get { return (m_Direction == Direction.LeftToRight || m_Direction == Direction.RightToLeft) ? Axis.Horizontal : Axis.Vertical; }
|
||
}
|
||
|
||
bool reverseValue
|
||
{
|
||
get { return m_Direction == Direction.RightToLeft || m_Direction == Direction.TopToBottom; }
|
||
}
|
||
|
||
|
||
private void UpdateVisuals()
|
||
{
|
||
#if UNITY_EDITOR
|
||
if (!Application.isPlaying)
|
||
UpdateCachedReferences();
|
||
#endif
|
||
|
||
m_Tracker.Clear();
|
||
|
||
if (m_FillContainerRect != null)
|
||
{
|
||
m_Tracker.Add(this, m_FillRect, DrivenTransformProperties.Anchors);
|
||
Vector2 anchorMin = Vector2.zero;
|
||
Vector2 anchorMax = Vector2.one;
|
||
|
||
if (m_FillImage != null && m_FillImage.type == Image.Type.Filled)
|
||
{
|
||
m_FillImage.fillAmount = normalizedValue;
|
||
}
|
||
else
|
||
{
|
||
if (reverseValue)
|
||
anchorMin[(int)axis] = 1 - normalizedValue;
|
||
else
|
||
anchorMax[(int)axis] = normalizedValue;
|
||
}
|
||
|
||
m_FillRect.anchorMin = anchorMin;
|
||
m_FillRect.anchorMax = anchorMax;
|
||
}
|
||
|
||
if (m_HandleContainerRect != null)
|
||
{
|
||
m_Tracker.Add(this, m_HandleRect, DrivenTransformProperties.Anchors);
|
||
Vector2 anchorMin = Vector2.zero;
|
||
Vector2 anchorMax = Vector2.one;
|
||
anchorMin[(int)axis] = anchorMax[(int)axis] = (reverseValue ? (1 - normalizedValue) : normalizedValue);
|
||
m_HandleRect.anchorMin = anchorMin;
|
||
m_HandleRect.anchorMax = anchorMax;
|
||
}
|
||
}
|
||
|
||
void UpdateDrag(PointerEventData eventData, Camera cam)
|
||
{
|
||
RectTransform clickRect = m_HandleContainerRect ?? m_FillContainerRect;
|
||
if (clickRect != null && clickRect.rect.size[(int)axis] > 0)
|
||
{
|
||
Vector2 position = Vector2.zero;
|
||
if (!MultipleDisplayUtilities.GetRelativeMousePositionForDrag(eventData, ref position))
|
||
return;
|
||
|
||
Vector2 localCursor;
|
||
if (!RectTransformUtility.ScreenPointToLocalPointInRectangle(clickRect, position, cam, out localCursor))
|
||
return;
|
||
localCursor -= clickRect.rect.position;
|
||
|
||
float val = Mathf.Clamp01((localCursor - m_Offset)[(int)axis] / clickRect.rect.size[(int)axis]);
|
||
normalizedValue = (reverseValue ? 1f - val : val);
|
||
}
|
||
}
|
||
|
||
private bool MayDrag(PointerEventData eventData)
|
||
{
|
||
return IsActive() && IsInteractable() && eventData.button == PointerEventData.InputButton.Left;
|
||
}
|
||
|
||
public override void OnPointerDown(PointerEventData eventData)
|
||
{
|
||
if (!MayDrag(eventData))
|
||
return;
|
||
|
||
base.OnPointerDown(eventData);
|
||
|
||
// 取消任何平滑移动（开始拖拽时）
|
||
m_IsSmoothMoving = false;
|
||
m_TargetValue = m_Value;
|
||
|
||
m_Offset = Vector2.zero;
|
||
if (m_HandleContainerRect != null && RectTransformUtility.RectangleContainsScreenPoint(m_HandleRect, eventData.pointerPressRaycast.screenPosition, eventData.enterEventCamera))
|
||
{
|
||
Vector2 localMousePos;
|
||
if (RectTransformUtility.ScreenPointToLocalPointInRectangle(m_HandleRect, eventData.pointerPressRaycast.screenPosition, eventData.pressEventCamera, out localMousePos))
|
||
m_Offset = localMousePos;
|
||
}
|
||
else
|
||
{
|
||
// Outside the slider handle - jump to this point instead
|
||
UpdateDrag(eventData, eventData.pressEventCamera);
|
||
}
|
||
}
|
||
|
||
public void OnDrag(PointerEventData eventData)
|
||
{
|
||
if (!MayDrag(eventData))
|
||
return;
|
||
// 拖拽也取消平滑
|
||
m_IsSmoothMoving = false;
|
||
m_TargetValue = m_Value;
|
||
UpdateDrag(eventData, eventData.pressEventCamera);
|
||
}
|
||
|
||
public override void OnMove(AxisEventData eventData)
|
||
{
|
||
if (!IsActive() || !IsInteractable())
|
||
{
|
||
base.OnMove(eventData);
|
||
return;
|
||
}
|
||
|
||
// 基准值：如果当前已经在平滑移动中，累加到 target 上；否则从当前 value 开始。
|
||
float currentBase = m_IsSmoothMoving ? m_TargetValue : value;
|
||
|
||
switch (eventData.moveDir)
|
||
{
|
||
case MoveDirection.Left:
|
||
if (axis == Axis.Horizontal && FindSelectableOnLeft() == null)
|
||
{
|
||
float dest = ClampValue(reverseValue ? currentBase + stepSize : currentBase - stepSize);
|
||
if (m_SmoothMovement && !wholeNumbers)
|
||
{
|
||
m_TargetValue = dest;
|
||
m_IsSmoothMoving = true;
|
||
}
|
||
else
|
||
{
|
||
Set(dest);
|
||
}
|
||
}
|
||
else
|
||
base.OnMove(eventData);
|
||
break;
|
||
case MoveDirection.Right:
|
||
if (axis == Axis.Horizontal && FindSelectableOnRight() == null)
|
||
{
|
||
float dest = ClampValue(reverseValue ? currentBase - stepSize : currentBase + stepSize);
|
||
if (m_SmoothMovement && !wholeNumbers)
|
||
{
|
||
m_TargetValue = dest;
|
||
m_IsSmoothMoving = true;
|
||
}
|
||
else
|
||
{
|
||
Set(dest);
|
||
}
|
||
}
|
||
else
|
||
base.OnMove(eventData);
|
||
break;
|
||
case MoveDirection.Up:
|
||
if (axis == Axis.Vertical && FindSelectableOnUp() == null)
|
||
{
|
||
float dest = ClampValue(reverseValue ? currentBase - stepSize : currentBase + stepSize);
|
||
if (m_SmoothMovement && !wholeNumbers)
|
||
{
|
||
m_TargetValue = dest;
|
||
m_IsSmoothMoving = true;
|
||
}
|
||
else
|
||
{
|
||
Set(dest);
|
||
}
|
||
}
|
||
else
|
||
base.OnMove(eventData);
|
||
break;
|
||
case MoveDirection.Down:
|
||
if (axis == Axis.Vertical && FindSelectableOnDown() == null)
|
||
{
|
||
float dest = ClampValue(reverseValue ? currentBase + stepSize : currentBase - stepSize);
|
||
if (m_SmoothMovement && !wholeNumbers)
|
||
{
|
||
m_TargetValue = dest;
|
||
m_IsSmoothMoving = true;
|
||
}
|
||
else
|
||
{
|
||
Set(dest);
|
||
}
|
||
}
|
||
else
|
||
base.OnMove(eventData);
|
||
break;
|
||
}
|
||
}
|
||
|
||
public override UXSelectable FindSelectableOnLeft()
|
||
{
|
||
if (navigation.mode == UXNavigation.Mode.Automatic && axis == Axis.Horizontal)
|
||
return null;
|
||
return base.FindSelectableOnLeft();
|
||
}
|
||
|
||
public override UXSelectable FindSelectableOnRight()
|
||
{
|
||
if (navigation.mode == UXNavigation.Mode.Automatic && axis == Axis.Horizontal)
|
||
return null;
|
||
return base.FindSelectableOnRight();
|
||
}
|
||
|
||
public override UXSelectable FindSelectableOnUp()
|
||
{
|
||
if (navigation.mode == UXNavigation.Mode.Automatic && axis == Axis.Vertical)
|
||
return null;
|
||
return base.FindSelectableOnUp();
|
||
}
|
||
|
||
public override UXSelectable FindSelectableOnDown()
|
||
{
|
||
if (navigation.mode == UXNavigation.Mode.Automatic && axis == Axis.Vertical)
|
||
return null;
|
||
return base.FindSelectableOnDown();
|
||
}
|
||
|
||
|
||
public void OnInitializePotentialDrag(PointerEventData eventData)
|
||
{
|
||
eventData.useDragThreshold = false;
|
||
}
|
||
|
||
public void SetDirection(Direction direction, bool includeRectLayouts)
|
||
{
|
||
Axis oldAxis = axis;
|
||
bool oldReverse = reverseValue;
|
||
this.direction = direction;
|
||
|
||
if (!includeRectLayouts)
|
||
return;
|
||
|
||
if (axis != oldAxis)
|
||
RectTransformUtility.FlipLayoutAxes(transform as RectTransform, true, true);
|
||
|
||
if (reverseValue != oldReverse)
|
||
RectTransformUtility.FlipLayoutOnAxis(transform as RectTransform, (int)axis, true, true);
|
||
}
|
||
|
||
public void Rebuild(CanvasUpdate executing)
|
||
{
|
||
#if UNITY_EDITOR
|
||
if (executing == CanvasUpdate.Prelayout)
|
||
onValueChanged.Invoke(value);
|
||
#endif
|
||
}
|
||
|
||
public void LayoutComplete()
|
||
{
|
||
}
|
||
|
||
public void GraphicUpdateComplete()
|
||
{
|
||
}
|
||
}
|
||
}
|